A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces
NSN 5855-01-201-4857
NSN 5975-01-419-5931
NSN 5905-01-560-2398
NSN 6240-01-104-4494
NSN 6610-01-265-1824
NSN 6145-01-592-0073
NSN 6320-00-857-4073
NSN 6150-00-245-2149
NSN 5999-01-430-4997
NSN 6145-00-078-9917
NSN 5945-01-227-9342
NSN 6135-01-567-0739